<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <span class="h-card" translate="no"><a href="https://infosec.exchange/@sycophantic" class="u-url mention">@<span>sycophantic</span></a></span> My own implementation looks for I think at least one 55 as a state machine trigger followed by a D5 and then goes to frame content. Do not count the 55s, some PHYs/protocols can remove some of them (e.g. 10baseT before bit sync is achieved)</p>